| 2150 |
mathias |
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if(!dojo._hasResource["dojox.charting.plot2d.StackedColumns"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dojox.charting.plot2d.StackedColumns"] = true;
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dojo.provide("dojox.charting.plot2d.StackedColumns");
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dojo.require("dojox.charting.plot2d.common");
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dojo.require("dojox.charting.plot2d.Columns");
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dojo.require("dojox.lang.functional");
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(function(){
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var df = dojox.lang.functional, dc = dojox.charting.plot2d.common,
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purgeGroup = df.lambda("item.purgeGroup()");
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dojo.declare("dojox.charting.plot2d.StackedColumns", dojox.charting.plot2d.Columns, {
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calculateAxes: function(dim){
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var stats = dc.collectStackedStats(this.series);
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this._maxRunLength = stats.hmax;
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stats.hmin -= 0.5;
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stats.hmax += 0.5;
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this._calc(dim, stats);
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return this;
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},
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render: function(dim, offsets){
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// stack all values
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var acc = df.repeat(this._maxRunLength, "-> 0", 0);
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for(var i = 0; i < this.series.length; ++i){
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var run = this.series[i];
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for(var j = 0; j < run.data.length; ++j){
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var v = run.data[j];
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if(isNaN(v)){ v = 0; }
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acc[j] += v;
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}
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}
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// draw runs in backwards
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if(this.dirty){
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dojo.forEach(this.series, purgeGroup);
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this.cleanGroup();
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var s = this.group;
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df.forEachReversed(this.series, function(item){ item.cleanGroup(s); });
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}
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var t = this.chart.theme, color, stroke, fill, f,
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gap = this.opt.gap < this._hScaler.scale / 3 ? this.opt.gap : 0;
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for(var i = this.series.length - 1; i >= 0; --i){
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var run = this.series[i];
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if(!this.dirty && !run.dirty){ continue; }
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run.cleanGroup();
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var s = run.group;
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if(!run.fill || !run.stroke){
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// need autogenerated color
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color = run.dyn.color = new dojo.Color(t.next("color"));
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}
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stroke = run.stroke ? run.stroke : dc.augmentStroke(t.series.stroke, color);
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fill = run.fill ? run.fill : dc.augmentFill(t.series.fill, color);
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for(var j = 0; j < acc.length; ++j){
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var v = acc[j],
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width = this._hScaler.scale - 2 * gap,
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height = this._vScaler.scale * (v - this._vScaler.bounds.lower);
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if(width >= 1 && height >= 1){
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var shape = s.createRect({
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x: offsets.l + this._hScaler.scale * (j + 0.5 - this._hScaler.bounds.lower) + gap,
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y: dim.height - offsets.b - this._vScaler.scale * (v - this._vScaler.bounds.lower),
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width: width, height: height
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}).setFill(fill).setStroke(stroke);
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run.dyn.fill = shape.getFill();
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run.dyn.stroke = shape.getStroke();
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}
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}
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run.dirty = false;
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// update the accumulator
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for(var j = 0; j < run.data.length; ++j){
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var v = run.data[j];
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if(isNaN(v)){ v = 0; }
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acc[j] -= v;
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}
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}
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this.dirty = false;
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return this;
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}
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});
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})();
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}
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